Worldwide, adults consume energy beyond traditional foods such as breakfast, lunch and dinner. However, because there is no single definition of “snacks”, it is not clear whether these additional eating choices are additional foods or snacks. Therefore, a clear difference between “food” and “snacks” is important. This section ends with a brief discussion about the association of snacking with markers of cardio metabolic health, especially lipid profiles and body weight. Part II discusses the selection of the most popular snacks, the frequency of general snacks and the demographic characteristics of snacks that often occur in various countries. This review concludes with a recommendation for Nutritionists to promote certain health-promoting snacks that target deficiencies and excess nutrition.